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ASME B18.6.2-2020

M00050674

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ASME B18.6.2-2020 Square Head Set Screws and Slotted Headless Set Screws (Inch Series)

standard by ASME International, 12/31/2020

Full Description

This Standard covers the complete general and dimensional data for the various styles of slotted head cap screws and square head and slotted headless set screws recognized as American National Standard. Also included are appendices covering thread runout sleeve gages for cap screws, protrusion gaging of flat countersunk head cap screws, formulas on which dimensional data are based, and wrench openings for square head set screws. It should be understood, however, that where questions arise concerning acceptance of a product, the dimensions in the tables shall supercede those recalculated by formula. The inclusion of dimensional data in this Standard is not intended to imply that all of the products described are stock production sizes. Consumers should consult with suppliers concerning availability of products.

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Square Head Set Screws and Slotted Headless Set Screws (Inch Series)


Square Head Set Screws and Slotted Headless Set Screws (Inch Series)



AN A MERICAN NA TIONAL S T AND ARD



ASME B18.6.2-2020

[Revision of ASME B18.6.2–1998 (R2010)]

ASME B18.6.2-2020

[Revision of ASME B18.6.2–1998 (R2010)]


Square Head Set

Screws and Slotted Headless Set Screws (Inch Series)



AN AMERICAN NATIONAL STANDARD


Date of Issuance: December 31, 2020


This Standard will be revised when the Society approves the issuance of a new edition.


ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations are published on the Committee web page and under https://go.asme.org/InterpsDatabase. Periodically certain actions of the ASME B18 Committee may be published as Cases. Cases are published on the ASME website under the B18 Committee Page at https://go.asme.org/B18committee as they are issued.


Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections to incorrectly published items, or to correct typographical or grammatical errors in codes and standards. Such errata shall be used on the date posted.


The B18 Committee Page can be found at https://go.asme.org/B18committee. There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard. This option can be found on the appropriate Committee Page after selecting “Errata” in the “Publication Information” section.


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This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large.

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without the prior written permission of the publisher.


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Copyright © 2020 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

All rights reserved Printed in U.S.A.


CONTENTS

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Correspondence With the B18 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 General Data for Square Head Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

3 General Data for Slotted Headless Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Nonmandatory Appendices


A

Formulas for Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

B

Wrench Openings for Square Head Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9


Tables

2.2.2-1


Length Tolerances: Square Head Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


2

2.5.1-1

Dimensions of Square Head Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

3.1.1-1

Dimensions of Slotted Headless Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

3.2.2-1

Length Tolerances: Slotted Headless Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7

A-1

Square Head Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

B-1

Wrench Openings for Square Head Set Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9


iii